ieee802154: 6lowpan: fix error frag handling
This patch fixes the error handling for lowpan_xmit_fragment by replace "-PTR_ERR" to "PTR_ERR". PTR_ERR returns already a negative errno code. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -112,7 +112,7 @@ lowpan_xmit_fragment(struct sk_buff *skb, const struct ieee802154_hdr *wpan_hdr,
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frag = lowpan_alloc_frag(skb, frag_hdrlen + len, wpan_hdr);
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frag = lowpan_alloc_frag(skb, frag_hdrlen + len, wpan_hdr);
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if (IS_ERR(frag))
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if (IS_ERR(frag))
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return -PTR_ERR(frag);
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return PTR_ERR(frag);
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memcpy(skb_put(frag, frag_hdrlen), frag_hdr, frag_hdrlen);
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memcpy(skb_put(frag, frag_hdrlen), frag_hdr, frag_hdrlen);
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memcpy(skb_put(frag, len), skb_network_header(skb) + offset, len);
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memcpy(skb_put(frag, len), skb_network_header(skb) + offset, len);
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